856356-54-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856356-54-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,3,5 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 856356-54:
(8*8)+(7*5)+(6*6)+(5*3)+(4*5)+(3*6)+(2*5)+(1*4)=202
202 % 10 = 2
So 856356-54-2 is a valid CAS Registry Number.